i guess you're thinking of the girl that were onstage 1 July, as she was reportedly wearing a very small skirt (as reviewed in the Pimm Jal De La Para Concert Documentary book).
here's the only known picture:
several of the Miami Girls can be seen at this site (Mannheim, Germany is a hottie!):
(* POPMART�s MIAMI GIRLS *)
in case you really meant the 2 July girl, here you go: